porphyroid

noun

por·​phy·​roid
ˈpȯ(r)fəˌrȯid
plural -s
: a more or less schistose metamorphic igneous or sedimentary rock with porphyritic texture

Word History

Etymology

porphyry + -oid

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Dictionary Entries Near porphyroid

porphyrogenite

porphyroid

porphyropsin

See More Nearby Entries 

Cite this Entry

“Porphyroid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/porphyroid. Accessed 28 Nov. 2024.

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